Question

select all that are collinear.
a fea
b bad
c hcd
d ecd
e hgf
f jcd

Explanation:

Step1: Recall collinear points definition

Collinear points lie on the same straight - line.

Step2: Analyze each option

• For option A: Points F, E, A are not on the same straight - line.
• For option B: There is no point B in the figure, so this option is invalid.
• For option C: Points H, C, D are not on the same straight - line.
• For option D: Points E, C, D lie on the same straight - line.
• For option E: Points H, G, F lie on the same straight - line.
• For option F: There is no point J in the figure, so this option is invalid.

Answer:

D. ECD, E. HGF